General Information and Operating Instructions
PUSHBACK TRACTOR CHALLENGER550
Page 64
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Jan 28/19
Table 10: Display area "3" bottom
5
Speedometer Black Indicates the speed in km/h.
6
Tachometer Black Indicates the revolutions per minute
of the engine.
7 Level display, front
chassis
Black The small arrow shows the current
height. If a lock is displayed next to
the scale, the suspension of the front
axle is blocked. The raising/lowering
of the front CHASSIS is switched off.
8 – Steering and safety
fault messages
Red Displays steering and safety fault
messages.
9 – Warning and fault
messages
Red Displays warning and fault messa-
ges.
10 – Fault messages and
instructions
Red Displays fault messages and instruc-
tions.
Pos. Picto-
gram
Designation Light
color
Description
Property of American Airlines